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package command
import (
"fmt"
"io"
"os"
"regexp"
"runtime/debug"
"strings"
"github.com/cli/cli/api"
"github.com/cli/cli/context"
"github.com/cli/cli/internal/config"
"github.com/cli/cli/internal/ghrepo"
"github.com/cli/cli/utils"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// TODO these are sprinkled across command, context, config, and ghrepo
const defaultHostname = "github.com"
// Version is dynamically set by the toolchain or overridden by the Makefile.
var Version = "DEV"
// BuildDate is dynamically set at build time in the Makefile.
var BuildDate = "" // YYYY-MM-DD
var versionOutput = ""
func init() {
if Version == "DEV" {
if info, ok := debug.ReadBuildInfo(); ok && info.Main.Version != "(devel)" {
Version = info.Main.Version
}
}
Version = strings.TrimPrefix(Version, "v")
if BuildDate == "" {
RootCmd.Version = Version
} else {
RootCmd.Version = fmt.Sprintf("%s (%s)", Version, BuildDate)
}
versionOutput = fmt.Sprintf("gh version %s\n%s\n", RootCmd.Version, changelogURL(Version))
RootCmd.AddCommand(versionCmd)
RootCmd.SetVersionTemplate(versionOutput)
RootCmd.PersistentFlags().StringP("repo", "R", "", "Select another repository using the `OWNER/REPO` format")
RootCmd.PersistentFlags().Bool("help", false, "Show help for command")
RootCmd.Flags().Bool("version", false, "Show gh version")
// TODO:
// RootCmd.PersistentFlags().BoolP("verbose", "V", false, "enable verbose output")
RootCmd.SetFlagErrorFunc(func(cmd *cobra.Command, err error) error {
if err == pflag.ErrHelp {
return err
}
return &FlagError{Err: err}
})
}
// FlagError is the kind of error raised in flag processing
type FlagError struct {
Err error
}
func (fe FlagError) Error() string {
return fe.Err.Error()
}
func (fe FlagError) Unwrap() error {
return fe.Err
}
// RootCmd is the entry point of command-line execution
var RootCmd = &cobra.Command{
Use: "gh",
Short: "GitHub CLI",
Long: `Work seamlessly with GitHub from the command line.
GitHub CLI is in early stages of development, and we'd love to hear your
feedback at <https://forms.gle/umxd3h31c7aMQFKG7>`,
SilenceErrors: true,
SilenceUsage: true,
}
var versionCmd = &cobra.Command{
Use: "version",
Hidden: true,
Run: func(cmd *cobra.Command, args []string) {
fmt.Print(versionOutput)
},
}
// overridden in tests
var initContext = func() context.Context {
ctx := context.New()
if repo := os.Getenv("GH_REPO"); repo != "" {
ctx.SetBaseRepo(repo)
}
return ctx
}
// BasicClient returns an API client that borrows from but does not depend on
// user configuration
func BasicClient() (*api.Client, error) {
var opts []api.ClientOption
if verbose := os.Getenv("DEBUG"); verbose != "" {
opts = append(opts, apiVerboseLog())
}
opts = append(opts, api.AddHeader("User-Agent", fmt.Sprintf("GitHub CLI %s", Version)))
c, err := config.ParseDefaultConfig()
if err != nil {
return nil, err
}
token, err := c.Get(defaultHostname, "oauth_token")
if err != nil {
return nil, err
}
if token == "" {
return nil, fmt.Errorf("no oauth_token set in config")
}
opts = append(opts, api.AddHeader("Authorization", fmt.Sprintf("token %s", token)))
return api.NewClient(opts...), nil
}
func contextForCommand(cmd *cobra.Command) context.Context {
ctx := initContext()
if repo, err := cmd.Flags().GetString("repo"); err == nil && repo != "" {
ctx.SetBaseRepo(repo)
}
return ctx
}
// overridden in tests
var apiClientForContext = func(ctx context.Context) (*api.Client, error) {
token, err := ctx.AuthToken()
if err != nil {
return nil, err
}
var opts []api.ClientOption
if verbose := os.Getenv("DEBUG"); verbose != "" {
opts = append(opts, apiVerboseLog())
}
opts = append(opts,
api.AddHeader("Authorization", fmt.Sprintf("token %s", token)),
api.AddHeader("User-Agent", fmt.Sprintf("GitHub CLI %s", Version)),
// antiope-preview: Checks
api.AddHeader("Accept", "application/vnd.github.antiope-preview+json"),
)
return api.NewClient(opts...), nil
}
func apiVerboseLog() api.ClientOption {
logTraffic := strings.Contains(os.Getenv("DEBUG"), "api")
colorize := utils.IsTerminal(os.Stderr)
return api.VerboseLog(utils.NewColorable(os.Stderr), logTraffic, colorize)
}
func colorableOut(cmd *cobra.Command) io.Writer {
out := cmd.OutOrStdout()
if outFile, isFile := out.(*os.File); isFile {
return utils.NewColorable(outFile)
}
return out
}
func colorableErr(cmd *cobra.Command) io.Writer {
err := cmd.ErrOrStderr()
if outFile, isFile := err.(*os.File); isFile {
return utils.NewColorable(outFile)
}
return err
}
func changelogURL(version string) string {
path := "https://github.com/cli/cli"
r := regexp.MustCompile(`^v?\d+\.\d+\.\d+(-[\w.]+)?$`)
if !r.MatchString(version) {
return fmt.Sprintf("%s/releases/latest", path)
}
url := fmt.Sprintf("%s/releases/tag/v%s", path, strings.TrimPrefix(version, "v"))
return url
}
func determineBaseRepo(cmd *cobra.Command, ctx context.Context) (ghrepo.Interface, error) {
repo, err := cmd.Flags().GetString("repo")
if err == nil && repo != "" {
return ghrepo.FromFullName(repo), nil
}
apiClient, err := apiClientForContext(ctx)
if err != nil {
return nil, err
}
baseOverride, err := cmd.Flags().GetString("repo")
if err != nil {
return nil, err
}
remotes, err := ctx.Remotes()
if err != nil {
return nil, err
}
repoContext, err := context.ResolveRemotesToRepos(remotes, apiClient, baseOverride)
if err != nil {
return nil, err
}
baseRepo, err := repoContext.BaseRepo()
if err != nil {
return nil, err
}
return baseRepo, nil
}
func formatRemoteURL(cmd *cobra.Command, fullRepoName string) string {
ctx := contextForCommand(cmd)
protocol := "https"
cfg, err := ctx.Config()
if err != nil {
fmt.Fprintf(colorableErr(cmd), "%s failed to load config: %s. using defaults\n", utils.Yellow("!"), err)
} else {
cfgProtocol, _ := cfg.Get(defaultHostname, "git_protocol")
protocol = cfgProtocol
}
if protocol == "ssh" {
return fmt.Sprintf("git@%s:%s.git", defaultHostname, fullRepoName)
}
return fmt.Sprintf("https://%s/%s.git", defaultHostname, fullRepoName)
}